Re: [PATCH 1/6] arm64: dts: imx8mn-beacon: Enable Digitial Microphone

From: Adam Ford
Date: Tue Jul 19 2022 - 15:18:17 EST


On Tue, Jul 19, 2022 at 12:57 AM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote:
>
> Hello Adam,
>
> On 17.07.22 20:09, Adam Ford wrote:
> > +
> > + sound-micfil {
> > + compatible = "fsl,imx-audio-card";
> > + model = "imx-audio-micfil";
> > + pri-dai-link {
> > + link-name = "micfil hifi";
> > + format = "i2s";
>
> Given that MICFIL and mic speak PDM with each other,
> is i2s the correct format here?

I was basing this off some references from some NXP stuff in their
downstream kernel. I know the audio I record with the PDM microphone
worked and sounded like I expected when I tested it.

adam

>
> Cheers,
> Ahmad
>
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